Self Assessment HRMC
Self Assessment
At Griffith Accountants, we offer comprehensive Self Assessment Services to individuals, sole traders, and landlords.

With a team of fully qualified experts, we deliver high-level tax advice and solutions tailored to your business needs.
Who Needs to File a Self-Assessment Tax Return?
At Griffith Accountants, we offer comprehensive Self Assessment Services to individuals, sole traders, and landlords. Our team ensures that your tax returns are filed accurately and on time, minimising the risk of penalties while optimising your tax position. Whether you’re filing for the first time or need ongoing support, we’re here to help you navigate the complexities of Self Assessment.
What’s included?
Tax Return Preparation
Preparation and submission of your Self Assessment tax return, ensuring accuracy and compliance with HMRC.
Income & Expense Management
Help with organising and categorising your income, business expenses, and allowable deductions.
Tax Planning & Optimisation
Identifying opportunities for tax savings, including available reliefs and allowances.
Late Filing & Penalty Resolution
Support for late tax return filings and mitigating penalties or interest charges.
Guidance on Tax Code & Payments
Clarifying your tax code and providing advice on payments due.
You can benefit from us doing your Self Assessment too!
We specialise in taking the stress out of self-assessment tax returns for individuals, self-employed professionals, and business owners.

As a growing business, we needed more strategic financial guidance, and Griffith Accountants delivered exactly what we were looking for. Their CFO services have helped us streamline our financial planning, improve cash flow management, and make more informed decisions. Their team became an extension of our own, providing senior-level insights that have supported our growth. We now feel confident in our financial strategy, and their support has been invaluable as we scale.”
Alex Yardley, Founder & CEO of Fly Fairly
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Common Mistakes to Avoid
Many individuals face challenges when filing their self-assessment returns, leading to errors that could result in penalties. These include:
Need company in the Uk?
At Griffith Accounting, we understand that preparing company accounts can be complex and time-consuming, especially for small and medium-sized businesses.

Why Griffith Accountants?
Expert Knowledge
In-depth understanding of the Self Assessment process and tax legislation.
Tailored Support
Tailored advice and support for your unique tax situation.
Compliance & Efficiency
Ensuring timely and error-free submissions to avoid costly penalties.
Self Assessment FAQ
Self Assessment is a system used by HMRC to collect income tax. If you’re self-employed, a contractor, or have other untaxed income, you need to file a tax return each year.
While we can not cover all questions here, we’re very eager for your email or meeting in order to go over your most burning questions.
Prefer a more laid-back approach?

Accounting Done For You
Everything you need to know regarding your company accounts will be covered in our preliminary discussion with your or your team.